NetworkManager[667]: <info> [1542439328.9887] device (eth0): Activation: starting connection 'Realtek Eth' (34202701-37a2-436f-87de-8c511428f183)
Nov 17 07:22:08 OrangePiRahul NetworkManager[667]: <info> [1542439328.9907] audit: op="connection-activate" uuid="34202701-37a2-436f-87de-8c511428f183" name="Realtek Eth" pid=4447 uid=1000 result="success"
Nov 17 07:22:08 OrangePiRahul NetworkManager[667]: <info> [1542439328.9971] device (eth0): state change: disconnected -> prepare (reason 'none') [30 40 0]
Nov 17 07:22:09 OrangePiRahul kernel: [ 1006.603011] dwmac-sun8i 1c30000.ethernet eth0: Could not attach to PHY
Nov 17 07:22:09 OrangePiRahul kernel: [ 1006.603039] dwmac-sun8i 1c30000.ethernet eth0: stmmac_open: Cannot attach to PHY (error: -19)
Nov 17 07:22:09 OrangePiRahul NetworkManager[667]: <info> [1542439329.0105] device (eth0): state change: prepare -> config (reason 'none') [40 50 0]
Nov 17 07:22:09 OrangePiRahul NetworkManager[667]: <info> [1542439329.0213] device (eth0): state change: config -> failed (reason 'config-failed') [50 120 4]
Nov 17 07:22:09 OrangePiRahul kernel: [ 1006.627186] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
Nov 17 07:22:09 OrangePiRahul NetworkManager[667]: <info> [1542439329.0236] policy: disabling autoconnect for connection 'Realtek Eth'.
Nov 17 07:22:09 OrangePiRahul NetworkManager[667]: <warn> [1542439329.0261] device (eth0): Activation: failed for connection 'Realtek Eth'
Nov 17 07:22:09 OrangePiRahul NetworkManager[667]: <info> [1542439329.0430] device (eth0): state change: failed -> disconnected (reason 'none') [120 30 0]